When using re-grouping to solve 25 x 45, what are the four problems that would be calculated to find the final answer?
O20 x 40; 20 x 5; 40 x 5
O20 x 40; 5 x 40; 20 x 5; 5 x 5
20 x 40; 5 x 20; 20 x 5; 5 x 5
O 20 x 20; 40 x 40; 20 x 5; 5 x 5


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When using regrouping to solve 25 x 45 what are the four problems that would be calculated to find the final answer O20 x 40 20 x 5 40 x 5 O20 x 40 5 x 40 20 x class=